Properties of the Number 90004

Ninety Thousand Four

Basics

Value: 90003 → 90004 → 90005

Parity: even

Prime: No

Previous Prime: 90001

Next Prime: 90007

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 22501

Divisors: 1, 2, 4, 22501, 45002, 90004

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101111110010100

Octal: 257624

Duodecimal: 44104

Hexadecimal: 15f94

Square: 8100720016

Square Root: 300.00666659259423

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Number of 4-ary Lyndon words of length n over Z₄ with trace 2 and subtrace 3. A74413

The integer 1358 and its infinite continuation (when iterating the rule explained in A316650 and in the Comment section here). A316680

Minimal length of a sequence with terms from {1, 2, 3, ..., n} which contains, as a subsequence, each possible ordering of the n symbols 1, 2, 3, ..., n. A62714

a(n) is the smallest k such that the first k primes generate the multiplicative group modulo n. A232927

Maximal number of binary vectors of length n such that the unions (or bitwise ORs) of any 2 distinct vectors are all distinct. A54961

Valence of graph of maximal intersecting families of sets. A7007

Expansion of L(x)^1/2, where L(x) is the g.f. for the Catalan Larcombe-French sequence A053175. A90004

Chvatal conjecture for radius of graph of maximal intersecting sets. A7008

Maximal number of binary vectors of length n such that the union (or bitwise OR) of any 2 distinct vectors does not contain any other vector. A286874

Irregular triangle read by rows where row n is Newey's sequence containing all permutations of 1..n. A351468